Saw-jointer



UNITED STATES PATENT OFFICE.

JOHN A. CHURCH, OF NEVADA CITY, CALIFORNIA.

SAW-JOINTER.

SPECIFICATION forming part of Letters Patent No. 260,663, dated July 4,1852.

Application led March 2, 1882. (No model.)

To all whom it may concern: Be it known that I, JOHN A. CHURCH, acitizen of the United States, residing at Nevada City, in the county ofNevada and State 5 of California, have invented certain new and usefulImprovements in Saw J ointers, of which the following is aspecification, reference ,bein g had therein to the accompanyingdrawings.

My invention relates to a new and improved article of manufact-ure insaw-jointers,the construction and operation of which will be here!inafter fully set forth.

In the drawings, Figure 1 is a perspective view of the jointer appliedto a saw; Fig. 2, a 1,5 rear elevation; Fig. 3, a front elevation, and

` Fig. 4 aside elevation.

rlhe jointer is formed of a sin gie metal plate, of any desired lengthand breadth, and is struck into the required shape by machinerydesignedfor the purpose. It consists of a dat portion, A, adapted to slide alongthe side of the saw when the device is in operation, and an upper orjonter portion, A', which is set at right angles to the at portion, andis adapted to receive and secure within it the ile B. To form thejointer portionr the upper portion of the metal plate hereinbeforespecified is bent over at right angles a sufficient distance to allowsuicient metal for the completion of the deo vice, The bent portion isthen curved upwardly, and a straight plate, b, is extended beyond thesurface of the flat surface A, as shown'. The outerend ofthe plate b isbent into a hook, b', which securesthe file B.

The clamp-bolt a is placed through the plate b, and is operated by thenut a', as shown. The bolt has a projection, a2, which tits under thefile, and with the hook b secures it in place.

The ile B is placed under the plate b ofthe jointer, between the hook band projection a2 of the bolt a, and is secured rmlyin place bytightening up the nut a.

The device is intended to level the teeth of saws when they have becomeworn and of different lengths, and in operation the dat portion Aisplaced against the side ot' the blade, and the tile rests upon the topof the teeth, as shown in Fig. 1.

I claim- The improved saw-jointer,. consisting of a single plate, A, ofmetal, having the upper p01'- tion formed as shown in Fig. 4, andprovided with the hook b', jointly with the bolt a, hav ing aprojection, a2, and tightening-nut a', and le B, substantially as shownand described.

In testimony whereof I hereby affix my si gnature in presence of twoWitnesses.

JOHN A. CHURCH.

A Witnesses:

O. W. CRoss, l JAMES B. JOHNSON.

